Disposable spirometer with plastic injection moulded turbine

• US 20070059165A1
• Filed: 02/18/2004
• Published: 03/15/2007
• Est. Priority Date: 10/22/2003
• Status: Active Grant

• Current Assignee: MIR S.r.l.
• Original Assignee: MIR S.r.l.
• Inventors: Boschetti Sacco, Paolo
• Granted Patent: US 7,618,235 B2
• Time in Patent Office: Days
• US Class Current: 415/191
• CPC Class Codes: A61B 5/09 using an element rotated by the flow toys actuated by air current A63H33/40
• CPC Class Codes: Y10S 415/915 Pump or portion thereof by casting or molding

Abstract

A small dimension throwaway turbine device for checking the breathing flux, to be used in spirometric instruments, allowing an extreme simplification in project and realization, and comprises a turbo-turbine (4) with an inlet deflector (1) and an outlet deflector (3), and a single-piece mobile equipment comprising a blade (2) and a rotation axis (5), realized out of one single raw material.

Claims

1. A small dimension throwaway turbine device for the checking of the breathing flux, characterized in only three components realized in one single printing and injection production phase out of plastic material, making use of always the same raw material:

a mono-block mobile equipment or blade (2), out of plastic material;

a turbo-turbine (4) with an inlet deflector (1) and an outlet deflector (3), in which the mobile equipment consists of one single piece that comprises said blade (2) and the rotation axis (5).

2. A throwaway device according to claim 1, characterized in an axis of the mono-block mobile equipment having a truncated-cone structure, bevelled at the two ends with a 45°

angle, so that the housing of the rotation axis of said blade (2) is realized in two cavities or seats obtained directly in said deflectors.

3. A device according to claim 1, characterized in that said turbine is realized in one single production phase, making use of one single raw material.